לוח משרות דרושים Backend Engineer

We are looking for an experienced AI Backend Engineer to join our fast-growing company during an exciting stage of innovation. In this role, you'll design and develop Agent and LLM-based features, engineer and optimize context and high-quality prompts, implement agentic architectures in production and evaluate and monitor applications effectively. If you're passionate about staying at the forefront of Large Language Model AI applications and collaborating with a team of experts, wed love to hear from you!
What Will You Do?
Take part in all development aspects, from design to production, of Agent and LLM-based features and applications.
Take part in all the development and planning aspects of a backend application, understanding scale, performance, observability.
Craft and optimize high-quality prompts to enhance application functionality and output quality.
Develop datasets and benchmarks to evaluate and monitor LLM-based applications effectively.
Stay up to date with state-of-the-art research in the field of Large Language Models and apply relevant advancements to improve our applications.
Collaborate closely with other team members and contribute to a culture of innovation and continuous improvement.
Mentor new team members and share your expertise to strengthen the team's collective knowledge.

looking for a Senior backend Engineer to join our new Platform Infrastructure team. In this foundational role, youll help build the shared backend systems, frameworks, and tooling that power every product across the company. If youre passionate about solving hard technical problems, shaping internal architecture, and scaling best practices across teams we want to hear from you. Wake Up for This
* Build for builders: Design and develop the backend infrastructure that other teams will rely on from shared services and APIs to internal Developer tools and performance optimizations.
* Engineer at scale: Work across modern backend stacks, building reusable systems that balance flexibility with consistency.
* Drive technical standards: Partner with tech leads, designers, and developers across the company to define best practices and guide architectural decisions.
* Lead by example: Mentor other engineers, support their growth, and help raise the overall bar for backend quality and maintainability.
* Create real impact: Your work will improve development velocity, code quality, and User Experience for millions of creators and countless internal users.

we are a fast-growing digital health SaaS company thats on a mission to transform the way physicians interact with patient data. Thousands of clinicians across the United States already use our companys AI-powered solution that transforms complex and fragmented patient data into concise patient portraits" and actionable clinical insights at the point of care. With our company, physicians experience less burnout, reduce missed diagnoses, and can devote more time giving better care to their patients.
our company has been named one of the Top 100 AI companies globally by CB Insights and made the list of the Top 50 Digital Health startups. We are already working with industry-leading value-based organizations including Privia Health and Agilon.
we are looking for a talented and experienced Senior Software Engineer to join our data group.
The team is responsible for processing structure and unstructured medical data from multiple external sources while building and maintaining an internal serving platform. Our key challenges include operating at scale, integrating with diverse external interfaces, and ensuring the data is served in a consistent and reliable manner.
Responsibilities
Lead development processes from ideation to production
Collaborate with product, medical, and software teams across the organization.
Own the design and evolution of the data ingestion and serving platform.
Mentor and guide junior and mid-level engineers.
Define best practices for system reliability, scalability, and observability.
Lead technical decisions around distributed systems, APIs, and integrations.
Build a customer-centric product with a deep understanding of the complex healthcare industry.

We are seeking an experienced Senior Backend Engineer to join our Data Services team. The Data Services team manages, provides and processes the large volumes of data, used by our Scientists and customers.
In this role, you will be responsible for building new cloud and on-prem data systems and infrastructure, as well as maintaining, improving, and enhancing serving systems, in order to provide highly usable, robust, and efficient data services.
Responsibilities
Participate in the development of state-of-the-art auto-driving systems by managing the data required for training and validation
Build efficient services to manage and provision large quantities of visual and other types of data
Design, develop, and implement robust cloud and on-prem services
Contribute to the selection and utilization of new AI technologies, databases, and third-party services.

our company, founded in Israel and acquired by HPE four years ago, powers business continuity for over ten thousand organizations worldwide including hospitals, financial institutions, and industrial companies. Our platform protects and recovers applications across datacenters and leading public clouds such as AWS, Azure, Google Cloud, IBM Cloud, and Oracle Cloud. we are the only all-in-one IT Resilience Platform, converging disaster recovery, backup, and cloud mobility into one simple, scalable solution.
Joining our company means solving real-world problems for real customers, while gaining the opportunity to grow, learn, and make an impact.
We also offer a hybrid work model that gives our employees the flexibility to work both remotely and from the office.
The team is responsible for developing the next generation of disaster recovery solutions based on public clouds such as AWS and Azure. Our solutions leverage a wide range of cloud services and are designed for large scale, high availability, and enterprise-grade reliability.
What you will do
Manage an agile/scrum team, with full managerial responsibility for the entire employee lifecycle (hiring, mentoring, performance, etc.)
Perform code and design reviews, maintaining high engineering standards within the team.
Collaborate with other teams to share ideas and lead cross-team development initiatives.
Analyze business requirements and architect scalable, high performing, testable solutions.
Become a domain expert within our company for the AWS and Azure public clouds and serve as a focal point for current and future developments on that platform.
Lead research activities and POCs. Public Clouds are moving fast, and we need to keep up!
Collaborate and work with global developments teams
Collaborate with our partners in Amazon and Microsoft in order to set our future-plans, share roadmaps and visions.
Develop enterprise backend systems and serverless architecture components using C# in .NET core.
Drive end-to-end delivery of projects.
Continuously innovate: improve code quality, developer efficiency, and team processes.

Were looking for a strong hands-on senior Backend Engineer (Tech lead) with a passion for technical excellence and leadership.
The Tech Lead serves as the technical owner of one or more domains within the product driving architecture, design, and code quality while mentoring developers and fostering a culture of innovation and continuous improvement.
In this role, youll lead by influence, not hierarchy partnering closely with Product Leads and Domain Architects to ensure scalable, maintainable, and high-performing solutions. Youll balance hands-on technical work with guiding others, setting engineering standards, and shaping the technical roadmap.
The team is comprised of 3-5 seasoned and expert engineers, with a focus on code quality and data-driven decision-making. The team owns the most critical component of the product and holds our core intellectual property (IP).
What Youll be Doing:
Own the technical quality, design, and roadmap for your domain(s).
Drive engineering best practices through design reviews, code reviews, and technical mentoring.
Collaborate with Product Leads on prioritization, backlog, and feasibility decisions.
Contribute to architectural discussions and cross-domain alignment.
As the technical authority in your team youll be partnering with managers to shape hiring decisions, provide feedback/input for performance reviews, and contribute to other team-related decisions.
Foster a culture of learning, innovation, and technical excellence.
Tackle technical challenges - performance, fault-tolerance, and live production issues.

We are looking for a hands-on developer to join an innovative and talented R&D team. To join us you will need to deliver high-quality code using the latest cloud frameworks and technologies.
As a Back-End Engineer at our company you will...
Be responsible for all development aspects from design to production of a cloud-native product
Write high-quality, testable and efficient code in Java
Initiate and promote new ideas for continuous improvement of product functionality
Work closely with team members and product colleagues
Participate in the architecture and development of the company DevOps core products
Design, develop, and maintain back-end services
Write high-quality, clean, efficient, and maintainable code while adhering to best practices and coding standards
Stay up-to-date with industry trends and emerging technologies related to DevOps and the software development lifecycle
Contribute to architectural discussions and design sessions to promote scalability and maintainability.

A defense-tech startup, building an AI-powered autonomous systems that connect cameras, sensors, and natural-language interfaces, is looking for a Senior Back End Engineer, with AI \ Computer Vision expertise. In this role, youll be one of our first engineers. Youll shape architecture, set engineering standards, and lead the development of real-time, AI-first features for high-stakes.

We are seeking a skilled PySpark Backend Engineer to join our expanding team dedicated to developing cutting-edge cybersecurity products from the ground up.
If you possess exceptional programming skills and have a passion for creating new applications or enhancing existing ones, we would love to meet you.
Responsibilities:
Design and implement backend logic using PySpark within Databricks, focusing on data processing using Spark Structured Streaming.
Develop and maintain microservices and backend components in Python and C#, deployed in Kubernetes environments.
Collaborate with product managers and backend teams to translate business requirements into Spark-based logic and services.
Optimize Spark jobs for performance, reliability, and cost-efficiency in a cloud-native environment (Azure).
Own features end-to-end: from refining requirements with product managers, through design and implementation, to deployment and support.

Come and be you with us
Being a worker is all about being you. We want you to bring all parts of yourself to work, giving you the freedom and confidence to be the best you and do your best work. If thats bubbly, shy, precise, funny, bold, kind, honest, brilliant, or anything in between, were waiting with open arms. Come join us.
What will you do?
As a Backend Engineer on the team, youll have a key role in developing our product and its unique features, working closely with our Product team. You should be passionate about software engineering and building a product end-to-end and will be responsible for owning the dev cycle from the technical design, through coding and testing, to deployment and monitoring. We work in a true continuous delivery environment with fully automated QA processes on a microservices architecture, deploying to production dozens of times every day.

Come and be you with us
Being a worker is all about being you. We want you to bring all parts of yourself to work. giving you the freedom and confidence to be the best you and do your best work.
were waiting with open arms. Come join us.
About the Team
The AI team at our company is at the forefront of integrating cutting-edge AI technologies into our product, delivering features that enhance user experience, empower decision-making, and drive business insights.
We work in a true continuous delivery environment, with fully automated QA processes and a modern microservices architecture deploying to
Design, build, and maintain backend infrastructure and microservices supporting AI-driven features.
Collaborate closely with the infra and data groups to ensure smooth integration of AI models and services into our companys core systems.
Develop and optimize APIs, data pipelines, and background processing workflows.
Ensure performance, scalability, and resilience of production systems handling real-time AI interactions.
Drive engineering excellence through code reviews, architecture discussions, and automation.
Mentor other backend developers and promote best practices in software design, testing, and deployment.

As an Experienced Backend Engineer in the Audience Extension team in our Tel-Aviv Office, youll be instrumental in building and optimizing our core infrastructure for managing RTB requests at scale, one of the biggest revenue driven operations in the company.
How youll make an impact:
As an Experienced Backend Engineer, youll bring value by:
Develop one of the largest real time big data operation in the world to support over 40TB of new data every day
Have end to end ownership: Design, build, ship, measure and maintain our frontend and backend services
Collaborate with the brightest software engineers team members
Influence directly on the way billions of people discover the internet
Develop at unimaginable scale, serving hundreds of thousands of requests per second
Work on innovative projects that are the next growth engines for our company
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for managing RTB requests at scale
An algorithmic model to predict if a given Real-Time impression is valuable to our company
A smart gateway that ingests hundreds of thousands of requests per second for a single instance
An A/B tests system to explore variations and experiments
And many more.

Responsibilities:
Join a team of highly motivated developers to work together to fill our growing software and scaling needs
Work on our cutting-edge Security SaaS product that redefines risk management and helps SMBs stay protected.
Directly work on matters that are critical to the company, building security product that is actively used by 10,000+ users, while tackling complex and challenging engineering problems
Writing well-tested, organized and robust code to support a rapidly growing organisation
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure
Taking responsibility of your code, quickly responding to bugs and making sure new and existing software runs smoothly
Youll work closely with product managers, designers, QA experts, architects, and experienced developers to build cutting-edge solutions.

Join a team of highly motivated developers to work together to fill At-Bays growing software and scaling needs.
Work on a range of customer-facing and internal projects, including scaling up our web-based and infrastructural software and internal security and insurance tools.
Directly work on matters that are critical to the company, building software that is used actively by our insurance team and our customers whilst solving challenging software problems.
Writing well-tested, organized and robust code to support a rapidly growing organization.
Proactively taking on software tasks to give efficient turnaround to the requirements of the rest of our international company.
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure.
Taking responsibility of your code, quickly responding to bugs and making sure new and existing software runs smoothly.
Communicating and working openly with other developers to solve problems and produce high-quality code.

Are you ready to work on massive web projects and features that are being used by millions across the world? If yes, then you’ve come to the right place. As a Backend Engineer at Fiverr, you'll be responsible for implementing core features, building infrastructure, and finding innovative solutions while working with cutting edge technologies (Ruby, Kotlin, Node.JS, Golang, Kafka, MongoDB, Redis, ElasticSearch, Kubernetes, AWS and more). We're looking for top talent that's ready to level up their skills in an exciting and fast paced environment.

What am I going to do?:

* You develop it all! Including products and features.
* You’ll be building and developing modules, data pipelines, and services.
* You own it -- from design to production!

Equal opportunities:
At Fiverr, we prioritize diversity. We celebrate difference and embed it into every aspect of our workplace and product, as well as our community. Fiverr is proud and committed to providing equal opportunity employment to all individuals regardless of race, color, religion, sex, sexual orientation, citizenship, national origin, disability, Veteran status, or any other characteristic protected by law. In addition, Fiverr will provide accommodation to individuals with disabilities or a special need.